//pull-left
%pull-left {
    @include float(left);
}

//pull-right
%pull-right {
    @include float(right);
}

//clearfix
%clearfix {
    &:before,
    &:after {
        content:"";
        display: table;
    }
    &:after {
        overflow: hidden;
        clear: both;
    }
}